Move everything to new reddit/ folder

Signed-off-by: Vartan Benohanian <vartanbeno@gmail.com>

reddit/timestamp.go

@@ -0,0 +1,52 @@
+package reddit
+
+import (
+	"strconv"
+	"time"
+)
+
+// Timestamp represents a time that can be unmarshalled from a JSON string
+// formatted as either an RFC3339 or Unix timestamp.
+type Timestamp struct {
+	time.Time
+}
+
+// MarshalJSON implements the json.Marshaler interface.
+func (t *Timestamp) MarshalJSON() ([]byte, error) {
+	if t == nil || t.Time.IsZero() {
+		return []byte(`false`), nil
+	}
+
+	parsed := t.Time.Format(time.RFC3339)
+	return []byte(`"` + parsed + `"`), nil
+}
+
+// UnmarshalJSON implements the json.Unmarshaler interface.
+// Time is expected in RFC3339 or Unix format.
+func (t *Timestamp) UnmarshalJSON(data []byte) (err error) {
+	str := string(data)
+
+	// "edited" for posts and comments is either false, or a timestamp.
+	if str == "false" {
+		return
+	}
+
+	f, err := strconv.ParseFloat(str, 64)
+	if err == nil {
+		t.Time = time.Unix(int64(f), 0).UTC()
+	} else {
+		t.Time, err = time.Parse(`"`+time.RFC3339+`"`, str)
+	}
+
+	return
+}
+
+// Equal reports whether t and u are equal based on time.Equal
+func (t Timestamp) Equal(u Timestamp) bool {
+	return t.Time.Equal(u.Time)
+}
+
+// Before reports whether u is before t based on time.Before
+func (t Timestamp) Before(u Timestamp) bool {
+	return t.Time.Before(u.Time)
+}